Specification:

Type: LBS ANTI-THEFT TRACKER
Material: Plastic
Quantity: 1 pcs
Item Color: Black
GMS Frequency: 900MHz/1800MHz or 850MHz/1900MHz.
Input Voltage: DC 5V
Battery: 3.7V 500mAh Li-ion battery (included)
Working Temperature: -20 Degree – +55 Degree
Working Humidity: 5%-95%RH
Size: 3.2*4.3*1.4cm / 1.3*1.7*0.5′
Net Weight: 0.025kg / 0.9oz